28686966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 73875456

約数和(自身を除く): 45188490

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 2003, 2046, 2387, 4006, 4774, 6009, 7161, 12018, 14021, 14322, 22033, 28042, 42063, 44066, 62093, 66099, 84126, 124186, 132198, 154231, 186279, 308462, 372558, 434651, 462693, 683023, 869302, 925386, 1303953, 1366046, 2049069, 2607906, 4098138, 4781161, 9562322, 14343483, 28686966]

約数ペア:

[(1, 28686966), (2, 14343483), (3, 9562322), (6, 4781161), (7, 4098138), (11, 2607906), (14, 2049069), (21, 1366046), (22, 1303953), (31, 925386), (33, 869302), (42, 683023), (62, 462693), (66, 434651), (77, 372558), (93, 308462), (154, 186279), (186, 154231), (217, 132198), (231, 124186), (341, 84126), (434, 66099), (462, 62093), (651, 44066), (682, 42063), (1023, 28042), (1302, 22033), (2003, 14322), (2046, 14021), (2387, 12018), (4006, 7161), (4774, 6009)]